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Finding the Fourth Proportional to 325,853.20, 488,779.80 and 302,233.60

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Solution

The fourth proportional to 325,853.20, 488,779.80 and 302,233.60 is: 453,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,853.20 : 488,779.80 = 302,233.60 : x
  2. Step 2: Convert to fraction form
    325,853.20/488,779.80 = 302,233.60/x
  3. Step 3: Cross multiply
    325,853.20x = 488,779.80 × 302,233.60
  4. Step 4: Simplify right side
    325,853.20x = 147,725,678,561.28
  5. Step 5: Solve for x
    x = 147,725,678,561.28/325,853.20
  6. Step 6: Final answer
    x = 453,350.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.